Home / 12,251.44-18,267.40-12,030.31

Finding the Fourth Proportional to 12,251.44, 18,267.40 and 12,030.31

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Solution

The fourth proportional to 12,251.44, 18,267.40 and 12,030.31 is: 17,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.44 : 18,267.40 = 12,030.31 : x
  2. Step 2: Convert to fraction form
    12,251.44/18,267.40 = 12,030.31/x
  3. Step 3: Cross multiply
    12,251.44x = 18,267.40 × 12,030.31
  4. Step 4: Simplify right side
    12,251.44x = 219,762,484.89
  5. Step 5: Solve for x
    x = 219,762,484.89/12,251.44
  6. Step 6: Final answer
    x = 17,937.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.